NEET UG PHYSICS MCQ: MECHANICAL PROPERTIES OF SOLIDS

1 Easy

1 of 1

Application +4 | -1

For steel

Y=2 \times 10^{11} \mathrm{Nm}^{-2}

. The force required to double the length of a steel wire of area

1 \mathrm{~cm}^2

View answer and explanation

Correct option: A

2 \times 10^7 \mathrm{~N}

Option A (

2 \times 10^7 \mathrm{~N}

) is correct because doubling the length means strain is 1, and force is calculated using Young's modulus formula.

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